EP4140788A4 - Powertrain cooling system and method, powertrain, and electric vehicle - Google Patents

Powertrain cooling system and method, powertrain, and electric vehicle Download PDF

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Publication number
EP4140788A4
EP4140788A4 EP21837956.8A EP21837956A EP4140788A4 EP 4140788 A4 EP4140788 A4 EP 4140788A4 EP 21837956 A EP21837956 A EP 21837956A EP 4140788 A4 EP4140788 A4 EP 4140788A4
Authority
EP
European Patent Office
Prior art keywords
powertrain
electric vehicle
cooling system
powertrain cooling
vehicle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21837956.8A
Other languages
German (de)
French (fr)
Other versions
EP4140788A1 (en
Inventor
Jiangang Wang
Quanming LI
Jun Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Digital Power Technologies Co Ltd
Original Assignee
Huawei Digital Power Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Digital Power Technologies Co Ltd filed Critical Huawei Digital Power Technologies Co Ltd
Publication of EP4140788A1 publication Critical patent/EP4140788A1/en
Publication of EP4140788A4 publication Critical patent/EP4140788A4/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
    • H02K11/25—Devices for sensing temperature, or actuated thereby
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K9/00—Arrangements for cooling or ventilating
    • H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20927—Liquid coolant without phase change
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
    • B60K2001/006—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/302—Temperature sensors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/61—Arrangements of controllers for electric machines, e.g. inverters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
EP21837956.8A 2020-07-08 2021-07-08 Powertrain cooling system and method, powertrain, and electric vehicle Pending EP4140788A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010652837.XA CN111959252A (en) 2020-07-08 2020-07-08 Cooling system and method of power assembly, power assembly and electric automobile
PCT/CN2021/105186 WO2022007884A1 (en) 2020-07-08 2021-07-08 Powertrain cooling system and method, powertrain, and electric vehicle

Publications (2)

Publication Number Publication Date
EP4140788A1 EP4140788A1 (en) 2023-03-01
EP4140788A4 true EP4140788A4 (en) 2023-10-25

Family

ID=73361878

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21837956.8A Pending EP4140788A4 (en) 2020-07-08 2021-07-08 Powertrain cooling system and method, powertrain, and electric vehicle

Country Status (4)

Country Link
EP (1) EP4140788A4 (en)
JP (1) JP2023532503A (en)
CN (1) CN111959252A (en)
WO (1) WO2022007884A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111959252A (en) * 2020-07-08 2020-11-20 华为技术有限公司 Cooling system and method of power assembly, power assembly and electric automobile
JP2023539110A (en) * 2020-11-24 2023-09-13 ファーウェイ デジタル パワー テクノロジーズ カンパニー リミテッド Motor controllers, heat exchange systems, and current injection methods
US20220320962A1 (en) * 2021-06-22 2022-10-06 Huawei Digital Power Technologies Co., Ltd. Powertrain and electric vehicle
DE102021125659A1 (en) 2021-10-04 2023-04-06 Bayerische Motoren Werke Aktiengesellschaft Cooling arrangements for an electromotive drive unit and its components
CN114204752A (en) * 2021-11-10 2022-03-18 华为数字能源技术有限公司 Oil temperature control method, controller, power assembly and electric automobile
DE102022108456A1 (en) * 2022-04-07 2023-10-12 Schaeffler Technologies AG & Co. KG Cooling device and drive arrangement
EP4297251A1 (en) * 2022-06-21 2023-12-27 Valeo eAutomotive Germany GmbH Electric drive unit with improved cooling concept
CN115489289A (en) * 2022-08-31 2022-12-20 华为数字能源技术有限公司 Power assembly and mechanical equipment
DE102022125586A1 (en) * 2022-10-05 2024-04-11 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Cooling system for an electric traction machine for a motor vehicle
DE102022210957A1 (en) 2022-10-17 2024-04-18 Vitesco Technologies GmbH Temperature control device for a motor vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060174642A1 (en) * 2005-02-09 2006-08-10 Nagashima James M Cooling arrangements for integrated electric motor-inverters
US20190275857A1 (en) * 2018-03-12 2019-09-12 Ford Global Technologies, Llc Hybrid vehicle motor cooling
US20190291570A1 (en) * 2018-03-23 2019-09-26 Sf Motors, Inc. Dual loop liquid cooling of integrated electric drivetrain

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013079614A (en) * 2011-10-04 2013-05-02 Denso Corp Cooling apparatus for hybrid vehicle with supercharger
CN202405952U (en) * 2011-11-29 2012-08-29 上海海光电机有限公司 Motor with cooling system
CN203372029U (en) * 2012-07-02 2014-01-01 福特环球技术公司 Heating and cooling circulation system for electric car
CN103683673B (en) * 2013-11-13 2016-08-17 华南理工大学 A kind of directly fountain electromotor cooling system
CN103825404B (en) * 2014-03-25 2016-07-06 北汽大洋电机科技有限公司 Motor and variator integrated cooling system
JP6332120B2 (en) * 2015-04-10 2018-05-30 トヨタ自動車株式会社 Fuel cell system and control method thereof
CN106379184A (en) * 2016-09-12 2017-02-08 奇瑞汽车股份有限公司 Pure electric automobile cooling system
CN211377816U (en) * 2017-03-03 2020-08-28 日本电产东测有限公司 Pump device
JP6743844B2 (en) * 2017-07-24 2020-08-19 株式会社デンソー Cooling water circuit
CN208035924U (en) * 2018-02-02 2018-11-02 株洲齿轮有限责任公司 Power drive assembly and pure electric automobile
DE102018209340B3 (en) * 2018-06-12 2019-04-25 Bayerische Motoren Werke Aktiengesellschaft Operating strategy for a multi-phase system inverter of an electric drive unit for a motor vehicle
DE102018121203A1 (en) * 2018-08-30 2020-03-05 Thyssenkrupp Ag Cooling device, motor housing and motor unit
CN209860741U (en) * 2019-04-15 2019-12-27 比亚迪股份有限公司 Motor assembly and vehicle
CN111959252A (en) * 2020-07-08 2020-11-20 华为技术有限公司 Cooling system and method of power assembly, power assembly and electric automobile

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060174642A1 (en) * 2005-02-09 2006-08-10 Nagashima James M Cooling arrangements for integrated electric motor-inverters
US20190275857A1 (en) * 2018-03-12 2019-09-12 Ford Global Technologies, Llc Hybrid vehicle motor cooling
US20190291570A1 (en) * 2018-03-23 2019-09-26 Sf Motors, Inc. Dual loop liquid cooling of integrated electric drivetrain

Also Published As

Publication number Publication date
JP2023532503A (en) 2023-07-28
WO2022007884A1 (en) 2022-01-13
CN111959252A (en) 2020-11-20
EP4140788A1 (en) 2023-03-01

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